Headphone



FIG. 1 is a perspective view of a headphone showing the new design;

FIG. 2 is a side elevation view of the headphone of FIG. 1;

FIG. 3 is an enlarged front perspective view of the remote of the headphone of FIG. 1 shown in broken lines;

FIG. 4 is an enlarged back perspective view of the remote of FIG. 3 shown in broken lines;

FIG. 5 is an enlarged perspective view of the plug of the headphone of FIG. 1 shown in broken lines; and,

FIG. 6 is a perspective view of the Y-splitter of the headphone of FIG. 1 shown in broken lines.

The broken lines are directed to environment, are for illustrative purposes only, and form no part of the claimed design. 

CLAIM The ornamental design for a headphone, as shown and described. 